|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | .24 | NA |
| 1988 | .45 | 89.08 % |
| 1989 | .47 | 4.57 % |
| 1990 | .47 | 0.57 % |
| 1991 | .34 | -27.88 % |
| 1992 | .38 | 12.73 % |
| 1993 | .35 | -9.89 % |
| 1994 | .41 | 18.75 % |
| 1995 | .35 | -15.79 % |
| 1996 | .32 | -6.51 % |
| 1997 | .32 | 0.28 % |
| 1998 | .65 | 100.00 % |
| 1999 | .41 | -36.67 % |
| 2000 | .13 | -68.51 % |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|